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INR Level

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  • INR Level

    Hi, has anyone had a 4.2 INR reading. I am usually at 3.0 but got a call from my doctor and my last reading was 4.2. Should I be concerned.

  • #2
    I've had INR readings at 4.2 and higher. At one time, I even had one around 7 (according to a doctor I used to see). It could be that the blood was mishandled, it could be that my then irregular testing actually enabled me to let my INR get out of control).

    I use two or three different meters for testing, and one meter may say 3.2 while another says 4.2 (or higher). I don't really let it trouble me to be in the low to mid 4s. At 4 and higher many clinics will get a blood draw to confirm the value.

    The easiest way to deal with a 4.2 is probably to add some greens to your diet. Also - try to stay away from sharp objects and to avoid impacts that can cause bruising. In my experience, a 4.2 isn't that big a deal as long as I'm a bit more cautious than usual. When it gets to 5, 6, or above THEN you should confirm with another meter or a blood draw, check with a doctor, and probably consider taking some Vitamin K supplements to bring it down fairly rapidly. A 4.2, though, doesn't really concern me too much.


    • #3
      Originally posted by Zoeey2011 View Post
      Hi, has anyone had a 4.2 INR reading. I am usually at 3.0 but got a call from my doctor and my last reading was 4.2. Should I be concerned.
      Careful perhaps, concerned, perhaps not.

      I'd also be concerned about their instructions for altering your dose. Let's hope they don't set you up for a see saw.

      How often are you getting tested?


      • #4
        I can beat that - I got up to 9.0 last year after a week of taking my warfarin with grapefruit juice! But I had absolutely no symptoms and may have been that high (or higher) for an entire week. I only found out because I had a blood draw for something unrelated and they threw in the INR just because they already had some blood.

        I got oral vit K and was 4.2 in the morning.


        • #5
          Pellicle's absolutely right. Seeing how they handle a 4.2 may give you a good idea of how they will actually manage your dosing. If the approach is conservative, rather than a knee-jerk (skip a dose instruction or something similar), you're probably okay. It'll be interesting to see how they handle it.


          • #6
            Thanks for all your comments. My Inr is back on track again.